New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device

Category: Ankle, Basic Sciences/Biologics Introduction/Purpose: Ankle arthrodesis is performed in a variety of methods.We propose a new technique for tibiotalar arthrodesis using a newly designed intramedullary nail Methods: We proposed the development of an intramedullary device for ankle arthrodes...

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Main Authors: Sherif Dabash MD, Emmanuel Eisenstein MD, Amr Abdelgawad MD, FACS
Format: Article
Language:English
Published: SAGE Publishing 2018-04-01
Series:Foot & Ankle Orthopaedics
Online Access:https://doi.org/10.1177/2473011418S00001
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author Sherif Dabash MD
Emmanuel Eisenstein MD
Amr Abdelgawad MD, FACS
author_facet Sherif Dabash MD
Emmanuel Eisenstein MD
Amr Abdelgawad MD, FACS
author_sort Sherif Dabash MD
collection DOAJ
description Category: Ankle, Basic Sciences/Biologics Introduction/Purpose: Ankle arthrodesis is performed in a variety of methods.We propose a new technique for tibiotalar arthrodesis using a newly designed intramedullary nail Methods: We proposed the development of an intramedullary device for ankle arthrodesis which spared the subtalar joint using a sinus tarsi approach. Standard saw bones models and computer-assisted modeling and stress analysis were used to develop different nail design geometries and determine the feasibility of insertion. After the final design was constructed, the device was tested on three cadaveric specimens. Results: Four basic nail geometries were developed. The optimal design was composed of two relatively straight segments, each with a different radius of curvature for their respective tibial and talar component. We successfully implemented this design into three cadaveric specimens Conclusion: Our newly designed tibiotalar nail provides a new technique for isolated tibiotalar fusion. It utilizes the advantages of a tibiotalar calcaneal nail and spares the subtalar joint. This design serves as the foundation for future research to include compression options across the tibiotalar joint and eventual transition to clinical practice.
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spelling doaj.art-59f7c07c7a2a4fea8c5666f877a8dac22022-12-21T18:21:53ZengSAGE PublishingFoot & Ankle Orthopaedics2473-01142018-04-01310.1177/2473011418S00001New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail DeviceSherif Dabash MDEmmanuel Eisenstein MDAmr Abdelgawad MD, FACSCategory: Ankle, Basic Sciences/Biologics Introduction/Purpose: Ankle arthrodesis is performed in a variety of methods.We propose a new technique for tibiotalar arthrodesis using a newly designed intramedullary nail Methods: We proposed the development of an intramedullary device for ankle arthrodesis which spared the subtalar joint using a sinus tarsi approach. Standard saw bones models and computer-assisted modeling and stress analysis were used to develop different nail design geometries and determine the feasibility of insertion. After the final design was constructed, the device was tested on three cadaveric specimens. Results: Four basic nail geometries were developed. The optimal design was composed of two relatively straight segments, each with a different radius of curvature for their respective tibial and talar component. We successfully implemented this design into three cadaveric specimens Conclusion: Our newly designed tibiotalar nail provides a new technique for isolated tibiotalar fusion. It utilizes the advantages of a tibiotalar calcaneal nail and spares the subtalar joint. This design serves as the foundation for future research to include compression options across the tibiotalar joint and eventual transition to clinical practice.https://doi.org/10.1177/2473011418S00001
spellingShingle Sherif Dabash MD
Emmanuel Eisenstein MD
Amr Abdelgawad MD, FACS
New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
Foot & Ankle Orthopaedics
title New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
title_full New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
title_fullStr New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
title_full_unstemmed New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
title_short New Technique for Tibiotalar Arthrodesis Using a New Intramedullary Nail Device
title_sort new technique for tibiotalar arthrodesis using a new intramedullary nail device
url https://doi.org/10.1177/2473011418S00001
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